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Sword fern
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<p>Sword fern is a common name for several <a href="/facts/Fern/e6Cngdyo">ferns</a> and may refer to: </p> <ul><li><i><a href="/facts/Nephrolepis/M7CQvWrW">Nephrolepis</a></i>, a tropical genus of ferns, especially: <ul><li><i><a href="/facts/Nephrolepis_exaltata/bPXA51d4">Nephrolepis exaltata</a></i>, commonly cultivated as a <a href="/facts/Houseplant/BLU4td3F">houseplant</a>, including the Boston fern</li></ul></li> <li><i><a href="/facts/Polystichum/qztKPhLQ">Polystichum</a></i>, a cosmopolitan genus of ferns, especially: <ul><li><i><a href="/facts/Polystichum_munitum/HmQPt7TP">Polystichum munitum</a></i>, native to western North America</li></ul></li> <li><a href="/facts/Giant_swordfern/ym2QNQ5b">Giant swordfern</a></li></ul>